<!DOCTYPE html>
<html>
<head>
    <title>let's make bar chart</title>
    <link rel="stylesheet" type="text/css" href="index.css">
</head>
<body>
    <svg class="chart"></svg>

    <script src="https://d3js.org/d3.v5.min.js"></script>
    <script src="index.js"></script>
</body>
</html>